253 lines
11 KiB
Python
253 lines
11 KiB
Python
from weakref import finalize
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from flask import Flask, render_template, request, redirect, abort, Response, send_from_directory, url_for, send_file, make_response, jsonify
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from flask_cors import CORS
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import re
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import os
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import combineImg
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from io import BytesIO, StringIO
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import msgs
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import twExtract as twExtract
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from configHandler import config
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from cache import addVnfToLinkCache,getVnfFromLinkCache
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from yt_dlp.utils import ExtractorError
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import vxlogging as log
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from utils import getTweetIdFromUrl, pathregex
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from vxApi import getApiResponse
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from urllib.parse import urlparse
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app = Flask(__name__)
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CORS(app)
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user_agent=""
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generate_embed_user_agents = [
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"facebookexternalhit/1.1",
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"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36",
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"Mozilla/5.0 (Windows; U; Windows NT 10.0; en-US; Valve Steam Client/default/1596241936; ) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.117 Safari/537.36",
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"Mozilla/5.0 (Windows; U; Windows NT 10.0; en-US; Valve Steam Client/default/0; ) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.117 Safari/537.36",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_1) AppleWebKit/601.2.4 (KHTML, like Gecko) Version/9.0.1 Safari/601.2.4 facebookexternalhit/1.1 Facebot Twitterbot/1.0",
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"facebookexternalhit/1.1",
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"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; Valve Steam FriendsUI Tenfoot/0; ) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36",
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"Slackbot-LinkExpanding 1.0 (+https://api.slack.com/robots)",
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"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:38.0) Gecko/20100101 Firefox/38.0",
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"Mozilla/5.0 (compatible; Discordbot/2.0; +https://discordapp.com)",
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"TelegramBot (like TwitterBot)",
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"Mozilla/5.0 (compatible; January/1.0; +https://gitlab.insrt.uk/revolt/january)",
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"Synapse (bot; +https://github.com/matrix-org/synapse)",
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"Iframely/1.3.1 (+https://iframely.com/docs/about)",
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"test"]
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def isValidUserAgent(user_agent):
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return True
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if user_agent in generate_embed_user_agents:
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return True
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elif "WhatsApp/" in user_agent:
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return True
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return False
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def message(text):
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return render_template(
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'default.html',
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message = text,
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color = config['config']['color'],
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appname = config['config']['appname'],
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repo = config['config']['repo'],
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url = config['config']['url'] )
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def renderImageTweetEmbed(tweetData,image,appnameSuffix=""):
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qrt = tweetData['qrt']
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pollData = None
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embedDesc = msgs.formatEmbedDesc("Image",tweetData['text'],qrt,pollData,msgs.genLikesDisplay(tweetData))
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return render_template("image.html",
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tweet=tweetData,
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pic=[image],
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host=config['config']['url'],
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desc=embedDesc,
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tweetLink=f'https://twitter.com/{tweetData["user_screen_name"]}/status/{tweetData["tweetID"]}',
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appname=config['config']['appname']+appnameSuffix,
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)
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def renderVideoTweetEmbed(tweetData,mediaInfo,appnameSuffix=""):
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qrt = tweetData['qrt']
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pollData = None
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embedDesc = msgs.formatEmbedDesc("Video",tweetData['text'],qrt,pollData,msgs.genLikesDisplay(tweetData))
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return render_template("video.html",
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tweet=tweetData,
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media=mediaInfo,
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host=config['config']['url'],
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desc=embedDesc,
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tweetLink=f'https://twitter.com/{tweetData["user_screen_name"]}/status/{tweetData["tweetID"]}',
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appname=config['config']['appname']+appnameSuffix,
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)
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def renderTextTweetEmbed(tweetData,appnameSuffix=""):
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qrt = tweetData['qrt']
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pollData = None
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embedDesc = msgs.formatEmbedDesc("Text",tweetData['text'],qrt,pollData,msgs.genLikesDisplay(tweetData))
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return render_template("text.html",
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tweet=tweetData,
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host=config['config']['url'],
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desc=embedDesc,
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tweetLink=f'https://twitter.com/{tweetData["user_screen_name"]}/status/{tweetData["tweetID"]}',
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appname=config['config']['appname']+appnameSuffix,
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)
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@app.route('/robots.txt')
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def robots():
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return "User-agent: *\nDisallow: /"
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@app.route('/') # If the useragent is discord, return the embed, if not, redirect to configured repo directly
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def default():
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return redirect(config['config']['repo'], 301)
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@app.route('/oembed.json') #oEmbed endpoint
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def oembedend():
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desc = request.args.get("desc", None)
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user = request.args.get("user", None)
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link = request.args.get("link", None)
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ttype = request.args.get("ttype", None)
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provName = request.args.get("provider",None)
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return oEmbedGen(desc, user, link, ttype,providerName=provName)
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def getTweetData(twitter_url):
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cachedVNF = getVnfFromLinkCache(twitter_url)
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if cachedVNF is not None:
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return cachedVNF
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try:
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rawTweetData = twExtract.extractStatusV2Anon(twitter_url)
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except:
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rawTweetData = None
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if rawTweetData is None:
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rawTweetData = twExtract.extractStatusV2(twitter_url,workaroundTokens=config['config']['workaroundTokens'].split(','))
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if 'error' in rawTweetData:
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return None
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if rawTweetData is None:
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return None
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tweetData = getApiResponse(rawTweetData)
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if tweetData is None:
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return None
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addVnfToLinkCache(twitter_url,tweetData)
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return tweetData
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def determineEmbedTweet(tweetData):
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# Determine which tweet, i.e main or QRT, to embed the media from.
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# if there is no QRT, return the main tweet => default behavior
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# if both don't have media, return the main tweet => embedding qrt text will be handled in the embed description
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# if both have media, return the main tweet => priority is given to the main tweet's media
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# if only the QRT has media, return the QRT => show the QRT's media, not the main tweet's
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# if only the main tweet has media, return the main tweet => show the main tweet's media, embedding QRT text will be handled in the embed description
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if tweetData['qrt'] is None:
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return tweetData
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if tweetData['qrt']['hasMedia'] and not tweetData['hasMedia']:
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return tweetData['qrt']
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return tweetData
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@app.route('/<path:sub_path>') # Default endpoint used by everything
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def twitfix(sub_path):
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match = pathregex.search(sub_path)
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if match is None:
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abort(404)
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twitter_url = f'https://twitter.com/i/status/{getTweetIdFromUrl(sub_path)}'
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tweetData = getTweetData(twitter_url)
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if tweetData is None:
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return message(msgs.failedToScan)
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qrt = None
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if 'qrtURL' in tweetData and tweetData['qrtURL'] is not None:
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qrt = getTweetData(tweetData['qrtURL'])
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tweetData['qrt'] = qrt
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###return tweetData
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embedIndex = -1
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# if url ends with /1, /2, /3, or /4, we'll use that as the index
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if sub_path[-2:] in ["/1","/2","/3","/4"]:
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embedIndex = int(sub_path[-1])-1
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sub_path = sub_path[:-2]
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if request.url.startswith("https://api.vx"): # Directly return the API response if the request is from the API
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return tweetData
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elif request.url.startswith("https://d.vx"): # direct embed
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# direct embeds should always prioritize the main tweet, so don't check for qrt
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# determine what type of media we're dealing with
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if not tweetData['hasMedia'] and qrt is None:
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return renderTextTweetEmbed(tweetData)
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elif tweetData['allSameType'] and tweetData['media_extended'][0]['type'] == "image" and embedIndex == -1 and tweetData['combinedMediaUrl'] != None:
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return redirect(tweetData['combinedMediaUrl'], 302)
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else:
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# this means we have mixed media or video, and we're only going to embed one
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if embedIndex == -1: # if the user didn't specify an index, we'll just use the first one
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embedIndex = 0
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media = tweetData['media_extended'][embedIndex]
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if media['type'] == "image":
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return redirect(media['url'], 302)
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elif media['type'] == "video" or media['type'] == "animated_gif":
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return redirect(media['url'], 302) # TODO: might not work
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else: # full embed
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embedTweetData = determineEmbedTweet(tweetData)
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if not embedTweetData['hasMedia']:
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return renderTextTweetEmbed(tweetData)
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elif embedTweetData['allSameType'] and embedTweetData['media_extended'][0]['type'] == "image" and embedIndex == -1 and embedTweetData['combinedMediaUrl'] != None:
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return renderImageTweetEmbed(tweetData,embedTweetData['combinedMediaUrl'],appnameSuffix=" - See original tweet for full quality")
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else:
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# this means we have mixed media or video, and we're only going to embed one
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if embedIndex == -1: # if the user didn't specify an index, we'll just use the first one
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embedIndex = 0
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media = embedTweetData['media_extended'][embedIndex]
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if media['type'] == "image":
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return renderImageTweetEmbed(tweetData,media['url'] , appnameSuffix=f' - Media {embedIndex+1}/{len(embedTweetData["media_extended"])}')
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elif media['type'] == "video" or media['type'] == "animated_gif":
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return renderVideoTweetEmbed(tweetData,media)
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return tweetData
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@app.route('/favicon.ico')
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def favicon(): # pragma: no cover
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return send_from_directory(os.path.join(app.root_path, 'static'), 'favicon.ico',mimetype='image/vnd.microsoft.icon')
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@app.route('/apple-touch-icon.png')
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def apple_touch_icon(): # pragma: no cover
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return send_from_directory(os.path.join(app.root_path, 'static'), 'apple-touch-icon.png',mimetype='image/png')
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@app.route("/rendercombined.jpg")
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def rendercombined():
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# get "imgs" from request arguments
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imgs = request.args.get("imgs", "")
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if 'combination_method' in config['config'] and config['config']['combination_method'] != "local":
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url = config['config']['combination_method'] + "/rendercombined.jpg?imgs=" + imgs
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return redirect(url, 302)
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# Redirecting here instead of setting the embed URL directly to this because if the config combination_method changes in the future, old URLs will still work
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imgs = imgs.split(",")
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if (len(imgs) == 0 or len(imgs)>4):
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abort(400)
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#check that each image starts with "https://pbs.twimg.com"
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for img in imgs:
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result = urlparse(img)
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if result.hostname != "pbs.twimg.com" or result.scheme != "https":
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abort(400)
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finalImg= combineImg.genImageFromURL(imgs)
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imgIo = BytesIO()
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finalImg = finalImg.convert("RGB")
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finalImg.save(imgIo, 'JPEG',quality=70)
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imgIo.seek(0)
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return send_file(imgIo, mimetype='image/jpeg',max_age=86400)
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def oEmbedGen(description, user, video_link, ttype,providerName=None):
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if providerName == None:
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providerName = config['config']['appname']
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out = {
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"type" : ttype,
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"version" : "1.0",
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"provider_name" : providerName,
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"provider_url" : config['config']['repo'],
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"title" : description,
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"author_name" : user,
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"author_url" : video_link
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}
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return out
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if __name__ == "__main__":
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app.config['SERVER_NAME']='localhost:80'
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app.run(host='0.0.0.0')
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